Surf Forecasts:
Jaconé surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 12 Sep, 3AM (local time) - 3ft (0.9m), 12s period, SSW swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 6PM (local time) - 4.5ft (1.3m), 13s period, S swell with 582 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 9PM (local time) - 3.5ft (1.1m), 12s period with S swell.
Best Forecast Surf Conditions for Jaconé this week:
The surf forecast for Jaconé over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 9PM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.2m and 12s. Another secondary swell of 0.7m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Jaconé in the next 16 days are 1.3m 13s and forecast to arrive on Thursday (Sep 17) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (Sep 18) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 11th Sep) | 3.5ft (1.1m) 12s |
| Best Surf | 3AM (Sat 12th Sep) | 3ft (0.9m) 12s |
| Most Powerful | 6PM (Thu 17th Sep) | 4.5ft (1.3m) 13s |
Table - best surf conditions forecast for Jaconé over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s talk about what’s coming up for Jaconé. It’s a bit up and down, but there’s a couple of days that’ll light you up.
Things get moving Friday the 11th. Early, it’s a 5ft south swell with a 14-second pulse, moderate energy (845). Water’s about 72°, pretty normal for this time of year. The wind’s light from the SSW, so nothing special. Friday afternoon though — that cleans right up. 4ft south swell, 13 seconds, and a cross-off ESE breeze at 6 mph. That’s the kind of glassy, clean surface you dream about. Crowds can show sometimes.
Saturday the 12th and Sunday the 13th are all poor surf, small and choppy. Not worth your time.
Monday the 14th morning brings it back. 5ft south swell, 9-second period, and a light offshore NE breeze at 9 mph. Clean. By afternoon, it goes glassy with a 3 mph easterly, still 4ft. That’s a sweet intermediate session.
Tuesday the 15th early is another good one. Light offshore NNE breeze, almost nothing, chest-high waves from the southeast at 4ft, but the period’s short at 8 seconds so it’s quick. Energy’s 535 — moderate but punchy.
Now circle Thursday the 17th afternoon. The swell jumps to 7ft from the south, a proper 13-second groundswell, and the combined energy is 1398 — that’s strong. Wind is cross-off from the ESE at 9 mph, keeping it clean. Experts only. That’s the big one.
Friday the 18th morning has fresh offshore ENE wind at 18 mph, 6ft south swell, 13 seconds, energy 1228. But that wind is strong, so it’ll be bumpy.
The next week goes small. Saturday the 21st morning is glassy at 2ft. By Monday the 23rd, a little bump to 5ft SSW, but short period and messy. Through the next few days there are little clean windows — Friday the 26th morning has 4ft from the east-northeast with a glassy NE breeze. Small, clean, good for beginners.
The real standout is Thursday the 17th afternoon. That’s the one.
Rusty.
Short Range ForecastHeavy rain (total 39mm), heaviest during Mon morning. Warm (max 28°C on Fri afternoon, min 19°C on Sun afternoon). Winds decreasing (fresh winds from the W on Fri night, calm by Sat night). | Days 5-7 Weather SummaryHeavy rain (total 24mm), heaviest during Mon night. Warm (max 21°C on Mon afternoon, min 19°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 11 | S 11 | SSW 6 | SSW 8 | S 8 | SSE 9 | S 9 | SE 8 | SE 9 | ESE 8 | S 10 | SSE 9 | S 13 | S 12 | S 11 | SSW 11 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 506 | 299 | 174 | 116 | 83 | 57 | 223 | 304 | 400 | 311 | 375 | 269 | 177 | 506 | 352 | 389 | 333 | 248 | 343 | 565 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-on | cross-on | on | cross | cross | cross-off | off | off | on | cross-on | on | cross-on | cross-on | on | on | on | cross | cross-off |
High Tide | 2:38AM1.11m | 3:15PM0.97m | 3:11AM1.10m | 3:31PM0.94m | 3:44AM1.06m | 3:49PM0.92m | 4:19AM0.99m | 4:10PM0.88m | 4:56AM0.91m | 4:35PM0.84m | 5:41AM0.82m | 5:06PM0.79m | ||||||||
Low Tide | 8:46PM0.21m | 9:13AM0.02m | 9:18PM0.17m | 9:47AM0.10m | 9:50PM0.15m | 10:21AM0.19m | 10:25PM0.15m | 10:56AM0.29m | 11:03PM0.17m | 11:36AM0.38m | 11:49PM0.21m | 12:27PM0.47m | 00:48AM0.27m | |||||||
 |  | | |  |  |  |  |  | |  | | | |  | | |  | | | |
 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:45 | — | — |
 | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:44 | — |
mm | — | — | — | — | 1 | — | 4 | 15 | 19 | 1 | 19 | — | — | 2 | — | — | — | 2 | 2 | 1 |
Temp °C | 28 | 26 | 24 | 25 | 21 | 20 | 19 | 19 | 19 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 20 | 20 | 20 | 19 |
Feels °C | 30 | 28 | 26 | 26 | 22 | 21 | 20 | 18 | 20 | 23 | 21 | 23 | 21 | 19 | 19 | 20 | 21 | 21 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 11 | S 11 | SSW 5 | SSW 8 | S 8 | SSE 9 | S 9 | SE 8 | SE 9 | ESE 8 | S 10 | SSE 9 | SSE 9 | S 12 | S 11 | SSW 11 | S 12 |
| kJ | 506 | 299 | 174 | 116 | 83 | 29 | 223 | 304 | 400 | 311 | 375 | 269 | 177 | 506 | 352 | 272 | 333 | 248 | 343 | 565 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 10 | E 9 | S 15 | E 8 | E 8 | S 12 | S 11 | SSE 9 | ESE 9 | ESE 9 | S 13 | SE 9 | SE 8 | S 14 | ESE 10 |
| kJ | 43 | 57 | 44 | 31 | 21 | 33 | 38 | 4 | 36 | 58 | 141 | 116 | 106 | 157 | 80 | 389 | 194 | 69 | 175 | 9 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 9 | SSW 10 | S 15 | S 13 | S 13 | S 12 | — | S 10 | S 16 | S 10 | ESE 8 | ENE 7 | S 14 | — | — |
| kJ | 14 | 13 | 12 | 12 | 11 | 26 | 21 | 4 | 55 | 84 | 141 | — | 102 | 5 | 80 | 23 | 9 | 92 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 2 | WSW 4 | SSW 4 | SSW 6 | — | E 8 | E 8 | E 8 | — | — | WSW 5 | W 5 | — | — | — | S 6 | SE 8 | ESE 5 |
| kJ | — | — | 1 | 8 | 11 | 57 | — | 36 | 88 | 160 | — | — | 47 | 29 | — | — | — | 64 | 125 | 57 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 49 | 58 | 58 | 10 | 10 | 10 | 0 | 0 | 62 | 46 | 58 | 66 | 66 | 58 | 53 | 53 | 216 | 10 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Jaconé Surf forecast
The above surf forecast table for Jaconé provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Jaconé can be found by selecting the local surf guide option on the grey menu. Our Jaconé surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jaconé) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Jaconé may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Jacone is 14 km (9 miles) from the city of Saquarema. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Saquarema. Saquarema has rooms for a wide range of budgets as well as car hire and transport links.
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